<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Cube</title>
    <link rel="stylesheet" href="./cube.css">
</head>
<body>
    <div class="cube-container" style="width: 98vw; height: 98vh; margin: 0 auto;">
        <div class="cube-inner">
            <div class="plane-front" style="background: rgba(255, 0, 0, .5)"></div>
            <div class="plane-left" style="background: rgba(0, 255, 0, .5)"></div>
            <div class="plane-right" style="background: rgba(0, 0, 255, .5)"></div>
            <div class="plane-top" style="background: rgba(255, 255, 0, .5)"></div>
            <div class="plane-bottom" style="background: rgba(255, 0, 255, .5)"></div>
            <div class="plane-back" style="background: rgba(0, 255, 255, .5)"></div>
        </div>
        <button class="cube-toggle" style="position: relative">展开/收起</button>
    </div>
    <script src="./cube.js"></script>
</body>
</html>